In 2000, Rye Barcott was a student on an ROTC scholarship when he first visited the Kibera slum of Nairobi, Kenya. He wanted to understand the ethnic violence he expected to face in uniform. Once there, Barcott befriended a widowed nurse and a community organizer, and together they built Carolina for Kibera (CFK), an NGO that breaks cycles of violence and develops young leaders in one of Africa's largest slums. Barcott continued his work with CFK...